National Instruments NI-488.2 User Manual page 121

ISA
ist
L
LAD
language interface
Listener
LLO
low-level function
M
m
MAV
MLA
MSA
MTA
multitasking
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Industry Standard Architecture.
An Individual Status bit of the status byte used in the Parallel Poll
Configure function.
Listen Address. See MLA.
Code that enables an application program that uses NI-488.2 calls to access
the driver.
A GPIB device that receives data messages from a Talker.
Local Lockout. The GPIB command used to tell all devices that they may
or should ignore remote (GPIB) data messages or local (front panel)
controls, depending on whether the device is in local or remote program
mode.
A rudimentary board or device function that performs a single operation.
Meters.
The Message Available bit is part of the IEEE 488.2-defined status byte
which is received from a device responding to a serial poll.
My Listen Address. A GPIB command used to address a device to be a
Listener. It can be any one of the 31 primary addresses.
My Secondary Address. The GPIB command used to address a device to be
a Listener or a Talker when extended (two-byte) addressing is used. The
complete address is a MLA or MTA address followed by an MSA address.
There are 31 secondary addresses for a total of 961 distinct listen or talk
addresses for devices.
My Talk Address. A GPIB command used to address a device to be a
Talker. It can be any one of the 31 primary addresses.
The concurrent processing of more than one program or task.
G-5
Glossary
NI-488.2 User Manual for Windows